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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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#include <linux/input.h>#include <linux/serio.h>#include <linux/libps2.h>#include <linux/dmi.h>#include <linux/slab.h>#include <linux/types.h>
#include "psmouse.h"#include "lifebook.h"
struct lifebook_data { struct input_dev *dev2; /* Relative device */ char phys[32];};
static bool lifebook_present;
static const char *desired_serio_phys;
static int lifebook_limit_serio3(const struct dmi_system_id *d){ desired_serio_phys = "isa0060/serio3"; return 1;}
static bool lifebook_use_6byte_proto;
static int lifebook_set_6byte_proto(const struct dmi_system_id *d){ lifebook_use_6byte_proto = true; return 1;}
static const struct dmi_system_id lifebook_dmi_table[] __initconst = { { /* FLORA-ie 55mi */ .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "FLORA-ie 55mi"), }, }, { /* LifeBook B */ .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "Lifebook B Series"), }, }, { /* LifeBook B */ .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B Series"), }, }, { /* Lifebook B */ .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK B Series"), }, }, { /* Lifebook B-2130 */ .matches = { DMI_MATCH(DMI_BOARD_NAME, "ZEPHYR"), }, }, { /* Lifebook B213x/B2150 */ .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B2131/B2133/B2150"), }, }, { /* Zephyr */ .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "ZEPHYR"), }, }, { /* Panasonic CF-18 */ .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "CF-18"), }, .callback = lifebook_limit_serio3, }, { /* Panasonic CF-28 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"), DMI_MATCH(DMI_PRODUCT_NAME, "CF-28"), }, .callback = lifebook_set_6byte_proto, }, { /* Panasonic CF-29 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"), DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"), }, .callback = lifebook_set_6byte_proto, }, { /* Panasonic CF-72 */ .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "CF-72"), }, .callback = lifebook_set_6byte_proto, }, { /* Lifebook B142 */ .matches = { DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook B142"), }, }, { }};
void __init lifebook_module_init(void){ lifebook_present = dmi_check_system(lifebook_dmi_table);}
static psmouse_ret_t lifebook_process_byte(struct psmouse *psmouse){ struct lifebook_data *priv = psmouse->private; struct input_dev *dev1 = psmouse->dev; struct input_dev *dev2 = priv ? priv->dev2 : NULL; u8 *packet = psmouse->packet; bool relative_packet = packet[0] & 0x08;
if (relative_packet || !lifebook_use_6byte_proto) { if (psmouse->pktcnt != 3) return PSMOUSE_GOOD_DATA; } else { switch (psmouse->pktcnt) { case 1: return (packet[0] & 0xf8) == 0x00 ? PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; case 2: return PSMOUSE_GOOD_DATA; case 3: return ((packet[2] & 0x30) << 2) == (packet[2] & 0xc0) ? PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; case 4: return (packet[3] & 0xf8) == 0xc0 ? PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; case 5: return (packet[4] & 0xc0) == (packet[2] & 0xc0) ? PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA; case 6: if (((packet[5] & 0x30) << 2) != (packet[5] & 0xc0)) return PSMOUSE_BAD_DATA; if ((packet[5] & 0xc0) != (packet[1] & 0xc0)) return PSMOUSE_BAD_DATA; break; /* report data */ } }
if (relative_packet) { if (!dev2) psmouse_warn(psmouse, "got relative packet but no relative device set up\n"); } else { if (lifebook_use_6byte_proto) { input_report_abs(dev1, ABS_X, ((packet[1] & 0x3f) << 6) | (packet[2] & 0x3f)); input_report_abs(dev1, ABS_Y, 4096 - (((packet[4] & 0x3f) << 6) | (packet[5] & 0x3f))); } else { input_report_abs(dev1, ABS_X, (packet[1] | ((packet[0] & 0x30) << 4))); input_report_abs(dev1, ABS_Y, 1024 - (packet[2] | ((packet[0] & 0xC0) << 2))); } input_report_key(dev1, BTN_TOUCH, packet[0] & 0x04); input_sync(dev1); }
if (dev2) { if (relative_packet) psmouse_report_standard_motion(dev2, packet);
psmouse_report_standard_buttons(dev2, packet[0]); input_sync(dev2); }
return PSMOUSE_FULL_PACKET;}
static int lifebook_absolute_mode(struct psmouse *psmouse){ struct ps2dev *ps2dev = &psmouse->ps2dev; u8 param; int error;
error = psmouse_reset(psmouse); if (error) return error;
/* * Enable absolute output -- ps2_command fails always but if * you leave this call out the touchscreen will never send * absolute coordinates */ param = lifebook_use_6byte_proto ? 0x08 : 0x07; ps2_command(ps2dev, ¶m, PSMOUSE_CMD_SETRES);
return 0;}
static void lifebook_relative_mode(struct psmouse *psmouse){ struct ps2dev *ps2dev = &psmouse->ps2dev; u8 param = 0x06;
ps2_command(ps2dev, ¶m, PSMOUSE_CMD_SETRES);}
static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution){ static const u8 params[] = { 0, 1, 2, 2, 3 }; u8 p;
if (resolution == 0 || resolution > 400) resolution = 400;
p = params[resolution / 100]; ps2_command(&psmouse->ps2dev, &p, PSMOUSE_CMD_SETRES); psmouse->resolution = 50 << p;}
static void lifebook_disconnect(struct psmouse *psmouse){ struct lifebook_data *priv = psmouse->private;
psmouse_reset(psmouse); if (priv) { input_unregister_device(priv->dev2); kfree(priv); } psmouse->private = NULL;}
int lifebook_detect(struct psmouse *psmouse, bool set_properties){ if (!lifebook_present) return -ENXIO;
if (desired_serio_phys && strcmp(psmouse->ps2dev.serio->phys, desired_serio_phys)) return -ENXIO;
if (set_properties) { psmouse->vendor = "Fujitsu"; psmouse->name = "Lifebook TouchScreen"; }
return 0;}
static int lifebook_create_relative_device(struct psmouse *psmouse){ struct input_dev *dev2; struct lifebook_data *priv; int error = -ENOMEM;
priv = kzalloc_obj(*priv); dev2 = input_allocate_device(); if (!priv || !dev2) goto err_out;
priv->dev2 = dev2; scnprintf(priv->phys, sizeof(priv->phys), "%s/input1", psmouse->ps2dev.serio->phys);
dev2->phys = priv->phys; dev2->name = "LBPS/2 Fujitsu Lifebook Touchpad"; dev2->id.bustype = BUS_I8042; dev2->id.vendor = 0x0002; dev2->id.product = PSMOUSE_LIFEBOOK; dev2->id.version = 0x0000; dev2->dev.parent = &psmouse->ps2dev.serio->dev;
input_set_capability(dev2, EV_REL, REL_X); input_set_capability(dev2, EV_REL, REL_Y); input_set_capability(dev2, EV_KEY, BTN_LEFT); input_set_capability(dev2, EV_KEY, BTN_RIGHT);
error = input_register_device(priv->dev2); if (error) goto err_out;
psmouse->private = priv; return 0;
err_out: input_free_device(dev2); kfree(priv); return error;}
int lifebook_init(struct psmouse *psmouse){ struct input_dev *dev1 = psmouse->dev; int max_coord = lifebook_use_6byte_proto ? 4096 : 1024; int error;
error = lifebook_absolute_mode(psmouse); if (error) return error;
/* Clear default capabilities */ bitmap_zero(dev1->evbit, EV_CNT); bitmap_zero(dev1->relbit, REL_CNT); bitmap_zero(dev1->keybit, KEY_CNT);
input_set_capability(dev1, EV_KEY, BTN_TOUCH); input_set_abs_params(dev1, ABS_X, 0, max_coord, 0, 0); input_set_abs_params(dev1, ABS_Y, 0, max_coord, 0, 0);
if (!desired_serio_phys) { error = lifebook_create_relative_device(psmouse); if (error) { lifebook_relative_mode(psmouse); return error; } }
psmouse->protocol_handler = lifebook_process_byte; psmouse->set_resolution = lifebook_set_resolution; psmouse->disconnect = lifebook_disconnect; psmouse->reconnect = lifebook_absolute_mode;
psmouse->model = lifebook_use_6byte_proto ? 6 : 3;
/* * Use packet size = 3 even when using 6-byte protocol because * that's what POLL will return on Lifebooks (according to spec). */ psmouse->pktsize = 3;
return 0;}